.oiwai_campaign_area {
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem 1rem;
}

.oiwai_campaign {
  max-width: 380px;
  width: 100%;
  text-align: center;
}

.oiwai_campaign_contents {
  padding: 0 10px;
}

.oiwai_campaign_div1 {
  background-color: #ff6666;
  color: #fff;
  padding: 4px 0;
  letter-spacing: 0.2em;
  font-size: 2rem;
  padding-left: 10px;
}

.oiwai_campaign_div2 {
  font-size: 2.5rem;
  font-weight: bold;
  letter-spacing: 0.1em;
  margin-top: 0.8rem;
  display: inline-flex;
  align-items: baseline;
}

.oiwai_campaign_div2_kingaku {
  font-size: 5rem;
  color: #ff6666;
  letter-spacing: 0.05em;
  transform: translateY(2px);
}

.oiwai_campaign_pink {
  color: #ff6666;
}

.oiwai_campaign_div3 {
    font-weight: 600;
  margin-top: 1rem;
  letter-spacing: 0.2em;
  padding-left: 7px;
}

@media screen and (max-width: 400px){
    .oiwai_campaign_div2{
      font-size: 2rem;
    }
    .oiwai_campaign_div2_kingaku {
        font-size: 4rem;
    }
    .oiwai_campaign_div3 {
      padding-left: 1.75px;
    }
  }